156556240

素因数分解:

$2^4\times 5^1\times {\mathrm{1956953}}^1$

素因数の和:1956966

約数の個数: 20

約数和(自身を含む): 363993444

約数和(自身を除く): 207437204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1956953, 3913906, 7827812, 9784765, 15655624, 19569530, 31311248, 39139060, 78278120, 156556240]

約数ペア:

[(1, 156556240), (2, 78278120), (4, 39139060), (5, 31311248), (8, 19569530), (10, 15655624), (16, 9784765), (20, 7827812), (40, 3913906), (80, 1956953)]